440002424440 has 16 divisors (see below), whose sum is σ = 990005455080. Its totient is φ = 176000969760.

The previous prime is 440002424369. The next prime is 440002424447. The reversal of 440002424440 is 44424200044.

It is a junction number, because it is equal to n+sod(n) for n = 440002424399 and 440002424408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440002424447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500030266 + ... + 5500030345.

Almost surely, 2^440002424440 is an apocalyptic number.

440002424440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440002424440 is an abundant number, since it is smaller than the sum of its proper divisors (550003030640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440002424440 is a wasteful number, since it uses less digits than its factorization.

440002424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000060622 (or 11000060618 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440002424440 its reverse (44424200044), we get a palindrome (484426624484).

The spelling of 440002424440 in words is "four hundred forty billion, two million, four hundred twenty-four thousand, four hundred forty".